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Life stages of Grass hoppers

1. H. banian has only one brood in a year. O. nitidula breeds throughout the year. Egg: It lays eggs in the wet sandy soil during October to November at a depth of about 2”especially in the side of bunds.

2. The eggs are laid in batches of 30-40, hatch only in June to July on receipt of the monsoon rains. Eggs are yellowish and covered with gummy substrate that hardens into a waterproof coating.

3. Nymphs: The nymphs feed on the grasses or paddy.

4. A


Symptoms and Nature of damage of Grass hoppers

Symptom of attack of Grass hoppers:

The nymphs and adults nibble leaves and also earheads in the early stages.

Nature of damage of Grass hoppers:

Both the adults and nymphs feed on the leaf and in severe cases the entire leaf may be eaten away.

It is capable of causing severe damage. In the earhead stage


Grass Hoppers

Order: Orthoptera

Family: Acrididae

Scientific name : Hieroglyphus banian (Large grasshopper)

Scientific name : Oxya nitidula (Small grasshopper)

Local name :


Symptoms and Nature of damage of Rice Leaf Folder

Symptom of attack of Leaf folder :

Leaves folded longitudinally or transversely with silk and scrapped patches in such places.

Nature of damage of Leaf folder:

1. The larvae feed by scraping the green mesophyll resulting in linear pale white stripe damage. Starting with the late second instar, when larvae regul


Control of Leaf Folder

1. Early planting may help to avoid greater degrees of leaf damage.

2. Wider spacing and low usage of nitrogenous fertilizers decreases leaf damage.

3. Spray monocrotophos 36 WSC @ 850 ml ha-1or chlorpyriphos 20 EC @ 1500 ml ha-1or cartap 50 WP @ 600 g ha-1 or quinalphos 25 EC @ 1200 ml ha-1or acephate 50 WP @ 700 g ha-1or or fipronil 5 SC @ 600 ml ha-1

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